LEPIDOPTERA HETEROCERA. 135 



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bright luteous spot near the end of the exterior border, and with a 

 luteous stripe near the interior border, which is also luteous. Length 

 of the body 8 lines ; of the wings 20 lines. 



a. Es:a. From Mr. Bates' collection. 



Genus PHALCIDONA. 



Phalcidona vespertina. 



Mas. Nigra, gracilis ; palpi laves, porrecti, caput vix superantes, 

 articulo So conico ; thorax strigis duabus lateralibus luteis ; 

 pectus antice luteum ; abdomen subtus cinereum ; alee anticce 

 striga lata antice arcuata prope marginem interiorem strigaque 

 obliqua angustiore exteriore luteis ; posticce vitta lata postica 

 antice excavata. 



Male. Black, slender. Palpi smooth, porrect, hardly extending 

 beyond the head ; third joint conical, not more than one-fourth of 

 the length of the second. Antenna) very slightly pectinated. Thorax 

 with a luteous mark on each side at the base of the fore wing. 

 Pectus luteous in front. Abdomen beneath and legs cinereous. 

 Fore wings with a broad luteous streak, which is near and parallel 

 to the interior border, and is very convex in front ; a shorter and 

 narrow oblique luteous streak, which is opposite to the interior 

 angle. Hind wings with a broad luteous stripe, which extends 

 along the interior border and thence to the disk, and is much 

 excavated in front. Length of the body 7 lines ; of the wings 

 18 lines. 



a, b. Bogota, New Grenada. From Mr. Stevens' collection. 



Phalcidona matutina. 



Fcem. Nigra, subtus nigro-cinerea ; antennce subsetulosce ; alee 

 anticce striga lata apud marginem interiorem antice convexa, 

 plagaque exteriore obliqua subelliptica intus incisa flavis ; 

 postica vitta apud marginem interiorem strigaque exteriore 

 lata obliqua subclavata Jlavis. 



Female. Black, in structure like P. vespertina. Antennae 

 minutely setulose. Body beneath and legs blackish cinereous. 

 Fore wings with a broad yellow streak, which is parallel to the inte- 

 rior border and is very convex in front ; an exterior transverse 

 oblique nearly elliptical yellow patch, which has a deep narrow 

 notch on its inner side. Hind wings with a yellow stripe nearly 



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